Study of the Heat Treatment Profiles Applied to a Multifilamentary MgB2 Superconducting Wire (2019)
- Authors:
- USP affiliated authors: RODRIGUES JUNIOR, DURVAL - EEL ; SILVA, LUCAS BARBOZA SARNO DA - EEL ; SOUZA, RODRIGO GODOY DE - EEL ; VIANNA, ALAN ABDALAD - EEL ; RIBEIRO, ELEAZAR JOSÉ - EEL ; PINTO, PÉRSIO MOZART - EEL
- Unidade: EEL
- DOI: 10.1109/tasc.2019.2900352
- Subjects: SUPERCONDUTIVIDADE; CAMPO MAGNÉTICO; ALTA TEMPERATURA; TRATAMENTO TÉRMICO
- Keywords: multifilamentary superconductor; heat treatment; microstructural characterization; MgB2 wire
- Language: Inglês
- Abstract: MgB2 is a strategic material for practical applica tion, due to the high values of its superconducting parameters. Cables, wires, and tapes can be produced making use of the MgB2 superconductor. For wires, long lengths and homogeneity are nec essary for the applicability of this material. The heat treatment is one of the most important steps to homogenize the MgB2 along the entire length. In preview works we developed a multifilamen tary superconducting wire with addition of AlB2 -type impurities and a simultaneous carbon source. The final wire is composed of 42 MgB2 -filaments with average diameter of 200 µm and a diffu sion barrier with thickness around 50 µm. Due to the low dimen sion of its parameters, a specific heat treatment profile is required. In the present work we present detailed study of the heat treat ment profiles used for MgB2 superconducting wires around the world and applied these concepts to our multifilamentary wire, in an attempt to optimize the microstructural characteristics. Several different profiles of heat treatment were applied for this wire, and some characterizations were performed to analyze the influence of the heat treatment on the microstructural properties. As a re sult, the methodologies were satisfactory, presenting good options of heat treatment for superconducting wires with micrometer-size filaments.
- Imprenta:
- Source:
- Título: IEEE Transactions on Applied Superconductivity
- ISSN: 1558-2515
- Volume/Número/Paginação/Ano: v. 29, n. 5, p.1-5, 2019
- Este periódico é de assinatura
- Este artigo NÃO é de acesso aberto
- Cor do Acesso Aberto: closed
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ABNT
SILVA, Lucas Barboza Sarno da et al. Study of the Heat Treatment Profiles Applied to a Multifilamentary MgB2 Superconducting Wire. IEEE Transactions on Applied Superconductivity, v. 29, n. 5, p. 1-5, 2019Tradução . . Disponível em: https://doi.org/10.1109/tasc.2019.2900352. Acesso em: 03 jan. 2026. -
APA
Silva, L. B. S. da, Souza, R. G. de, Ribeiro, E. J., Pinto, P. M., Vianna, A. A., & Rodrigues Jr., D. (2019). Study of the Heat Treatment Profiles Applied to a Multifilamentary MgB2 Superconducting Wire. IEEE Transactions on Applied Superconductivity, 29( 5), 1-5. doi:10.1109/tasc.2019.2900352 -
NLM
Silva LBS da, Souza RG de, Ribeiro EJ, Pinto PM, Vianna AA, Rodrigues Jr. D. Study of the Heat Treatment Profiles Applied to a Multifilamentary MgB2 Superconducting Wire [Internet]. IEEE Transactions on Applied Superconductivity. 2019 ; 29( 5): 1-5.[citado 2026 jan. 03 ] Available from: https://doi.org/10.1109/tasc.2019.2900352 -
Vancouver
Silva LBS da, Souza RG de, Ribeiro EJ, Pinto PM, Vianna AA, Rodrigues Jr. D. Study of the Heat Treatment Profiles Applied to a Multifilamentary MgB2 Superconducting Wire [Internet]. IEEE Transactions on Applied Superconductivity. 2019 ; 29( 5): 1-5.[citado 2026 jan. 03 ] Available from: https://doi.org/10.1109/tasc.2019.2900352 - Fabrication of 42-filaments PIT-processed MgB2 superconducting wire with TaB2 and SiC addition
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- The effect of AlB2 addition on MgB2 superconducting bulks
- Microstructural and physical properties of commercial Nb-46.5wt.%Ti superconducting wires with different configuration strategies
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Informações sobre o DOI: 10.1109/tasc.2019.2900352 (Fonte: oaDOI API)
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